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opera_ni_stable.exe

Opera

Sevas-S LLC

The application opera_ni_stable.exe by Sevas-S has been detected as adware by 14 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The installer uses the OpenCandy monitzation platform which will donwload and install offers in the setup for potentially unwanted software including ad/search-supported toolbars. The file has been seen being downloaded from opera.ar.downloadable.co and multiple other hosts.
Publisher:
Sevas-S LLC  (signed and verified)

Product:
Opera

Version:
1.0.0.0

MD5:
e5bff3d4ed28766709f35284c9fcba8c

SHA-1:
4cb7be69358159c12248dab85e70e01047ace3eb

SHA-256:
4c61d84e9b1bd861477e8d24153250adbc28508c2001b147b6e6bbec99ec9627

Scanner detections:
14 / 68

Status:
Adware

Explanation:
Packages the OpenCandy software bundler that offers to install additional software and may include web browser add-ons and toolbars which display advertising (based on publisher settings and geo context).

Analysis date:
5/17/2024 12:37:04 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.OpenCandy
2014.12.01

Avira AntiVirus
APPL/Downloader.Gen
7.11.189.158

AVG
OpenCandy
2015.0.3272

Baidu Antivirus
Adware.Win32.OpenCandy
4.0.3.14123

Dr.Web
Adware.Downware.8467
9.0.1.0337

ESET NOD32
Win32/JoyDownloader
8.10804

Fortinet FortiGate
Riskware/OpenCandy
12/3/2014

K7 AntiVirus
Unwanted-Program
13.186.14174

Malwarebytes
PUP.Optional.OpenCandy
v2014.12.03.08

McAfee
Artemis!E5BFF3D4ED28
5600.6928

Reason Heuristics
PUP.SevasS.P
14.12.3.8

Trend Micro House Call
Suspicious_GEN.F47V1125
7.2.337

VIPRE Antivirus
Sevas-S Installer
35284

File size:
493.7 KB (505,592 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\downloads\programs\opera_ni_stable.exe

Digital Signature
Signed by:
Sevas-S LLC

Authority:
VeriSign, Inc.

Valid from:
2/23/2014 1:00:00 AM

Valid to:
3/26/2015 12:59:59 AM

Subject:
CN=Sevas-S LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Sevas-S LLC, L=Kyiv, S=Kyivska oblast, C=UA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
4B35AC223F4DB03D3B4C5368983A4B53

File PE Metadata
Compilation timestamp:
5/20/2013 1:53:11 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:yKcDCaAPMX2EQKGfYl4wgg0erqF7GmIbZGmXyx52R:u7APMXjjqZgnq5Y9p9

Entry address:
0x333E

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, A2, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 80, 40, 00, 55, FF, 15, AC, 82, 40, 00, 6A, 08, A3, 78, 4F, 43, 00, E8, A8, 2E, 00, 00, A3, C4, 4E, 43, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, F0, B1, 42, 00, FF, 15, 7C, 81, 40, 00, 68, 7C, A3, 40, 00, 68, C0, 3E, 43, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 81, 40, 00, BB, 00, F0, 43, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

The file opera_ni_stable.exe has been seen being distributed by the following 7 URLs.

http://opera.ar.downloadable.co/get_file/wUiS4WnYccXGwj 8XPavWwllklY/NSr4WE2wMbON7Ix1qTSs/j1snpNbP0ykYrn2LSz/0l8bOGSGCa7 RuFohPpyz4WXBQaDu2vqBwX9uXGtiufa7dPbm3EN MEiiBZIUny1CDx0kMcp7CC5UGWTUuoDlJO0dSUMK7MxJQoOMablXTl1fsTcc1Ni1eOxAC18coT20Oo2CGC6u1/E3/.../44JDmzR0kOWDP9Q==

http://opera.pl.downloadable.co/get_file/wUiS4WnYccXAwj 1RrjxCgghkkVxZmbzR1 xcteQv I253eq ysyl4pHaAW7erC/NXa20gsYZyHdCeLkErY90fk5kNSWRAaS9T36CELlszi1iP/D6ICMg2gIq5M6kVdAVXKjCix 18kv9DmsBT/NFf5Ow4TrND0Vabs7PRNMOaz9RDkmLNzFfxEjj6qnGCIvatOrjbgnBSqws1PFjqAsUdDsH5z3ADIYjpPhSPdx10gH5sv3i1LqO I1zm7zEcQE5Ma/.../gt5CVniQrJLxAT5ZkYCsxu6GtHxBzjxGi3J5OESbzQknhqNnuxgU3P2DP9Q==

http://opera.il.downloadable.co/get_file/wUiS4WnYccXAwj uQbjxCggnkkU3LTPkEhv4cpyK4fE9rm/9qHpwz98cJgTtbLHuaSrglUZTcWmNEuO1R/VigegPmp/yREjArXOtEhO/7Wm0yP/XpMuOzj8f9NciiBZIV3y1Czx8hshq9CjwSCXAFK5Xi83nPSUFarg2KxgdOOz9V3p1apqXZVt 3eihUHo3c8b41OcnUSnv8Avdl7xmApivJYruNjMJzcrkF ggnhoT7oz jF3zLaB3nT75QN1Wrc28SWuu6s/.../44JDmzR0kOWDP9Q==

http://opera.pl.downloadable.co/get_file/wUiS4WnYccXGwj 8XPavWwllklY/NSr4WE2wMbON7Ix1qTSs/j1snpNbP0ykYrn2LSz/0l8bOGSGCa7 RuFohPpyz4WXBAaDvHasHk2usnq8gLbbqNPKxzwX9cBykV4BXnWtGD93ndEivSH5UHHfGehOw4TrMT0VarszKxwPIaS0XHh1aoqKNBBhhqDuACc3c8b40ucnVzDuoFGMlv1mFpO6YsntZXJWzYHkSfsv3BcW55r/.../kSa0Vocdt4XuUXKwuZCUmysgZr5AQYM2enUisOi1SUMizkrhnpgGTz7qRQf2qYi7h1pnb2DP9Q==

http://opera.pl.downloadable.co/get_file/wUiS4WnYccXAwj uQbjxCggnkkU3LTPkEh74coqM6bdjr3f14WJxwckPL071Y/j2PXmunxdKOSCGHOO1X xpl Ynh9SWRAaS9T2 VRLlszi1jf/DrNvZlWdLs55ziVZIRjX Xix zcko/SC5UGCTUvwFnNXqdD0EYqswKxwdOOz9V3p1apqXZVt 3eihUHo3c8b41OcnUSnv8Avdl7xmApivJYruNjMJzcrkF ggnhsR7Yj4j1jzLaBxnT7wWpMI/.../44JDmzR0kOWDP9Q==

http://opera.pl.downloadable.co/get_file/wUiS4WnYccXEwj 8WvauHEA0kxQ8PDK1GRr7cteQv A8/yWn9np5iNENJ1XlbL/.../44JDmzR0kOWDP9Q==

http://opera.ru.downloadable.co/get_file/wUiS4WnYccXEwj 8WvauHEA0kxQ8PDK1GRr7cteQv E8/yG6sGMxwdoEP0b1Y/j2PHmugw0MIGjVEeikE/Y9xbNykY7dXk7E7SShBkfzuXy6ifbVp9HT0mlJq4dvwEdJF3ygACwyzZ19oWy5SGjaSr9W2oe4YyUMK7MxJQoNN6vlXTl1e8TcYEJ2nqqnGCAvaofw0OkxDnux8VDOnPV UMv MJ7/JjQeg9O2XuMhlQ9Krd2/.../WptP5YSxQXP7spaCkW8qY7xRE91hbG0o8 imFBBz0VbllYwrTXWORUmi8cax2Vpta2DP9Q==

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